Princess|Lab Grown|IGI

0.78ct D IF Princess Lab Grown Diamond

GD • D/IF • IGI LG719583579

Shape and cutting style on the report: Princess cut

Certificate IGI LG719583579

Diamond specifications and retailer prices

From $309 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $309 USD at William & Sons Jewelers
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at William & Sons Jewelers

About this 0.78ct lab-grown princess diamond

This 0.78ct lab-grown princess sits in the just-under-one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI LG719583579 or 719583579. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.78
Carat
D
Color
IF
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG719583579
Dimensions4.97 × 4.96 × 3.52 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
4.97 mm4.96 mm0.78 ctD / IF
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG719583579
Side View
Table 68.0%Crown 42.7°Girdle: MED-STKPavilion 37.4°Culet: NoneDepth 71.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: $713 USD|Low: $232 USD|High: $1,429 USD|Avg: $909 USD|-0.7%
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William & Sons Jewelers
September 28, 2026
William & Sons Jewelers$309 USD
Retailer 11$479 USD
Retailer 13$539 USD
Retailer 12$576 USD
Retailer 7$619 USD
Retailer 3$635 USD
Retailer 1$713 USD
Retailer 10$774 USD
Retailer 2$813 USD
Retailer 8$1,010 USD
Retailer 6$1,089 USD
Retailer 9$1,298 USD
Retailer 4$1,341 USD
Retailer 5$1,416 USD

50 data points across 14 retailers

1 retailer

B+
William & Sons Jewelers
cert_LG719583579 · Oct 29
$309 USD
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Final sale: no returns

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B+
0.78ct Princess
$309 USD